Technical
Ambient Temperature Range High85 °C
Core ArchitectureARM
Data Bus Width32 b
EEPROM Memory Size2 kB
Flash Memory Size64 kB
Frequency32 MHz
InterfaceI2C, IrDA, SMBus, SPI, USART, USB
Max Frequency24 MHz
Max Junction Temperature (Tj)105 °C
Max Operating Temperature85 °C
Max Power Dissipation444 mW
Max Supply Current10.2 mA
Max Supply Voltage3.6 V
Memory Size64 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Nominal Supply Current300 nA
Number of A/D Converters1
Number of ADC Channels20
Number of Channels20
Number of D/A Converters2
Number of I2C Channels2
Number of I/Os51
Number of Interrupts16
Number of Programmable I/O51
Number of PWM Channels24
Number of SPI Channels2
Number of Timers/Counters8
Number of UART Channels3
Number of USART Channels3
Number of USB Channels1
Operating Supply Voltage3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
RAM Size8 kB
Schedule B8542310000
Temperature GradeIndustrial
Watchdog TimerYes